Ab is perpendicular to cb . how many 90° angles are formed by the intersection?

Determine if the sequence is geometric. if it is, find the common ratio. 1) -2, 2/3, -2/9, 2/27 2) 0,2,5,9 3) 2, -10, 50, -250 4) 1,4,16,64

Amonument at a park is in the shape of a right square pyramid. a diagram of the pyramid and its net are shown. what is the surface area of the monument? enter the answer in the box. m²

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.